Project structure refactoring

src/GUI/heartrategraph.cpp

@@ -0,0 +1,79 @@
+#include "data/data.h"
+#include "heartrategraphitem.h"
+#include "heartrategraph.h"
+
+
+HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
+{
+	_showTracks = true;
+
+	GraphView::setYUnits(tr("1/min"));
+	setYLabel(tr("Heart rate"));
+
+	setSliderPrecision(0);
+}
+
+void HeartRateGraph::setInfo()
+{
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
+}
+
+void HeartRateGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	for (int i = 0; i < data.tracks().count(); i++) {
+		const Graph &graph = data.tracks().at(i)->heartRate();
+
+		if (graph.size() < 2) {
+			skipColor();
+			continue;
+		}
+
+		HeartRateGraphItem *gi = new HeartRateGraphItem(graph, _graphType);
+		GraphView::addGraph(gi, paths.at(i));
+
+		_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
+	}
+
+	for (int i = 0; i < data.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
+}
+
+qreal HeartRateGraph::avg() const
+{
+	qreal sum = 0, w = 0;
+	QList<QPointF>::const_iterator it;
+
+	for (it = _avg.begin(); it != _avg.end(); it++) {
+		sum += it->y() * it->x();
+		w += it->x();
+	}
+
+	return (sum / w);
+}
+
+void HeartRateGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void HeartRateGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
+}